persuade the reader to try sending a message in a bottle

tell the reader how to start a floating bottle experiment at school

describe some examples of messages sent in bottles and tell what happened to them

explain some of the challenges of trying to communicate with people who live across the ocean

rewards people have received for returning bottles that were found

what keeps bottles with messages in them from sinking in the ocean

bottles that have drifted in the sea and then been found

what people write on the notes that are placed inside bottles

The bottle experiment quickly spread to other schools.

People around the world were encouraged to find pen pals.

Students tried to send messages in bottles to their classmates.

Two people living in different parts of the world became friends.